不少人以为只要中药材或中药饮片没有霉变、虫蛀和变质,外观干干净净,就都有效、可以服用。这是误解。的确,中药材只要按贮存要求贮存,可以保持很多年不变质,但这不等于还有原先的药效。这就和某些过期西药一样,表面看上去外观没有什么变化,但药效已有不同程度的损失。中药质地不同,效期长短就不同。目前中药业内的共识是:一般草本药物(如麻黄、二花、公英、地丁、白药蛇草)一旦制成 Many people think that as long as the Chinese herbal medicine or Chinese Herbal Pieces have no mildew, insects and spoilage, the appearance of clean, they are effective, can be taken. This is a misunderstanding. Indeed, as long as Chinese herbal medicines are stored according to storage requirements, they can remain unchanged for many years. However, this does not mean that there is still the original efficacy. This is the same as some expired western medicine, the surface looks no change in appearance, but the efficacy has been varying degrees of loss. The texture of Chinese medicine is different, and the duration of efficacy varies. At present, the consensus in the Chinese medicine industry is that: Once herbal medicines (such as ephedra, Erhua, Gongying, Difang, Baiyang snake grass) are made